package com.atguigu.gulimall.member.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.gulimall.member.dao.MemberLevelDao;
import com.atguigu.gulimall.member.entity.MemberLevelEntity;
import com.atguigu.gulimall.member.exception.PhoneExsitException;
import com.atguigu.gulimall.member.exception.UsernameExsitException;
import com.atguigu.gulimall.member.vo.MemberUserLoginVo;
import com.atguigu.gulimall.member.vo.MemberUserRegisterVo;
import com.atguigu.gulimall.member.vo.SocialUser;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.member.dao.MemberDao;
import com.atguigu.gulimall.member.entity.MemberEntity;
import com.atguigu.gulimall.member.service.MemberService;


@Service("memberService")
public class MemberServiceImpl extends ServiceImpl<MemberDao, MemberEntity> implements MemberService {

    @Autowired
    MemberLevelDao memberLevelDao;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<MemberEntity> page = this.page(
                new Query<MemberEntity>().getPage(params),
                new QueryWrapper<MemberEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public void register(MemberUserRegisterVo vo) {
        MemberDao memberDao=this.baseMapper;
        MemberEntity entity=new MemberEntity();

        // 设置默认等级
        MemberLevelEntity levelEntity=memberLevelDao.getDefaultLevel();
        entity.setLevelId(levelEntity.getId());

        //设置其它的默认信息
        //检查用户名和手机号是否唯一。为了让controller感知异常，异常机制
        checkPhoneUnique(vo.getPhone());
        checkUserNameUnique(vo.getUserName());

        entity.setMobile(vo.getPhone());
        entity.setUsername(vo.getUserName());
        entity.setNickname(vo.getUserName());

        // 密码要进行加密存储
        BCryptPasswordEncoder passwordEncoder=new BCryptPasswordEncoder();
        String encode = passwordEncoder.encode(vo.getPassword());
        entity.setPassword(encode);

        /*entity.setMobile(vo.getPhone());
        entity.setGender(0);
        entity.setCreateTime(new Date());*/


        memberDao.insert(entity);
    }

    @Override
    public void checkPhoneUnique(String phone) throws PhoneExsitException {
        Integer phoneCount = this.baseMapper.selectCount(new QueryWrapper<MemberEntity>().eq("mobile", phone));

        if (phoneCount > 0) {
            throw new PhoneExsitException();
        }
    }

    @Override
    public void checkUserNameUnique(String userName) throws UsernameExsitException {
        Integer usernameCount = this.baseMapper.selectCount(new QueryWrapper<MemberEntity>().eq("username", userName));
        if (usernameCount>0){
            throw new UsernameExsitException();
        }
    }

    @Override
    public MemberEntity login(MemberUserLoginVo vo) {
        // 去数据库查账号密码
        MemberEntity memberEntity = this.baseMapper.selectOne(new QueryWrapper<MemberEntity>().eq("username", vo.getLoginacct())
                .or().eq("mobile",vo.getLoginacct()));
        if (memberEntity==null){
            // 登录失败
            System.out.println("密码校验失败了");
            return null;
        }else {
            // 成功校验密码
            System.out.println("数据库有当前用户，要去进行密码校验喽！");

            // 获取到数据库中的密码
            String passwordDB = memberEntity.getPassword();
            BCryptPasswordEncoder passwordEncoder=new BCryptPasswordEncoder();
            // 密码匹配
            boolean matches = passwordEncoder.matches(vo.getPassword(), passwordDB);
            if (matches){
                System.out.println("密码匹配");
                return memberEntity;
            }else {
                System.out.println("密码不匹配");
                return null;
            }
        }
    }

    @Override
    public MemberEntity login(SocialUser socialUser) throws Exception {
        // 登录和注册逻辑
        String uid=socialUser.getUid();

        // 1.判断当前社交用户是否已经登录过系统
        MemberDao memberDao = this.baseMapper;
        MemberEntity memberEntity = memberDao.selectOne(new QueryWrapper<MemberEntity>().eq("social_uid", uid));
        if (memberEntity!=null){
            // 这个用户已经注册过
            System.out.println("已经注册过了");
            //更新用户的访问令牌的时间和access_token
            MemberEntity update=new MemberEntity();
            update.setId(memberEntity.getId());
            update.setAccessToken(socialUser.getAccess_token());
            update.setExpiresIn(socialUser.getExpires_in());

            memberDao.updateById(update);

            memberEntity.setAccessToken(socialUser.getAccess_token());
            memberEntity.setExpiresIn(socialUser.getExpires_in());

            return memberEntity;
        }else {
            //2、没有查到当前社交用户对应的记录我们就需要注册一个
            MemberEntity register = new MemberEntity();
           try {
                //3、查询当前社交用户的社交账号信息（昵称、性别等）
                Map<String,String> query = new HashMap<>();
                query.put("access_token",socialUser.getAccess_token());
                query.put("uid",socialUser.getUid());
                HttpResponse response = HttpUtils.doGet("https://api.weibo.com", "/2/users/show.json", "get", new HashMap<String, String>(), query);

                if (response.getStatusLine().getStatusCode() == 200) {
                    //查询成功
                    String json = EntityUtils.toString(response.getEntity());
                    JSONObject jsonObject = JSON.parseObject(json);
                    String name = jsonObject.getString("name");
                    String gender = jsonObject.getString("gender");
                    String profileImageUrl = jsonObject.getString("profile_image_url");

                    register.setNickname(name);
                    register.setGender("m".equals(gender)?1:0);
                    register.setHeader(profileImageUrl);
                    register.setCreateTime(new Date());
                }
           } catch (Exception e) {

            }
            register.setSocialUid(socialUser.getUid());
            register.setAccessToken(socialUser.getAccess_token());
            register.setExpiresIn(socialUser.getExpires_in());

            //把用户信息插入到数据库中
            memberDao.insert(register);

            return register;
        }
    }
}